feat(VolantisRequest): Fetch, POST, Get

source/js/app.js

@@ -1126,3 +1126,47 @@ const DOMController = {
   }
 }
 Object.freeze(DOMController);
+
+const VolantisRequest = {
+  timeoutFetch: (url, ms, requestInit) => {
+    const controller = new AbortController()
+    requestInit.signal?.addEventListener('abort', () => controller.abort())
+    let promise = fetch(url, { ...requestInit, signal: controller.signal })
+    if (ms > 0) {
+      const timer = setTimeout(() => controller.abort(), ms)
+      promise.finally(() => { clearTimeout(timer) })
+    }
+    promise = promise.catch((err) => {
+      throw ((err || {}).name === 'AbortError') ? new Error(`Fetch timeout: ${url}`) : err
+    })
+    return promise
+  },
+
+  Fetch: async (url, requestInit, timeout = 15000) => {
+    const resp = await VolantisRequest.timeoutFetch(url, timeout, requestInit);
+    if (!resp.ok) throw new Error(`Fetch error: ${url} | ${resp.status}`);
+    let json = await resp.json()
+    if (!json.success) throw json
+    return json
+  },
+
+  POST: async (url, data) => {
+    const requestInit = {
+      method: 'POST',
+    }
+    if (data) {
+      const formData = new FormData();
+      Object.keys(data).forEach(key => formData.append(key, String(data[key])))
+      requestInit.body = formData;
+    }
+    const json = await VolantisRequest.Fetch(url, requestInit)
+    return json.data;
+  },
+
+  Get: async (url, data) => {
+    const json = await VolantisRequest.Fetch(url + (data ? (`?${new URLSearchParams(data)}`) : ''), {
+      method: 'GET'
+    })
+  }
+}
+Object.freeze(VolantisRequest);